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Application filed by Karel Laboutka, Antonin MarekfiledCriticalKarel Laboutka
Priority to CS346475ApriorityCriticalpatent/CS189925B1/cs
Publication of CS189925B1publicationCriticalpatent/CS189925B1/cs
CS346475A1975-05-191975-05-19Mixing four-ways fittings,notably for the two-point attachment of the heating bodies of the single-pipe heating system
CS189925B1
(en)